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5. Inventories (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Inventories	$ 641,094	$ 914,709
Antimony Oxide - Finished
Inventories	215,778	408,217
Antimony Metal [Member]
Inventories	3,580	0
Antimony Concentrates
Inventories	11,545	35,554
Antimony Ore [Member]
Inventories	151,841	187,133
Antimony [Member]
Inventories	382,744	630,904
Zeolite [Member]
Inventories	$ 258,350	$ 283,805

X

- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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